VicTsing MM057 2.4G Wireless Mouse Teardown

The VicTsing MM057 2.4G Wireless Mouse.

Filp over and remove battery cover and USB dongle.

• Mouse
• USB dongle
• Battery cover

Remove three screws. Two screws are located under the adhesive pads closer to the front of the mouse. The third screw is under the battery cover.

• Screw locations

Gently pull apart the enclose. Be wary of the board-to-board connector cables.

• Board-to-board receptacle

Disconnect the board-to-board cables by squeezing the sides of the receptacles on base.

• Top
• Base

Separate battery connection wires from the base chassis and remove the base circuit board and optical lens.

• Base circuit board
• Optical lens
• Base chassis

Remove the scroll wheel.

• Scroll wheel
• From top to bottom: right click, wheel click, wheel rotary encoder, and left click actuators
• Crystal oscillator (12 MHz)
• From left to right: optical receiver and red LED

Underside of base circuit board.

• Microcontroller (epoxy coated)
• Bluetooth antenna
• Optical receiver (bottom side)

Remove screw from center of top circuit board.

• Screw location

Separate top circuit board from the top chassis.

• Top chassis
• Top circuit board

Mode selector button

Side buttons

LED status indicator